18068680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 47485440

約数和(自身を除く): 29416760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1373, 1645, 1880, 2632, 2746, 3290, 5492, 6580, 6865, 9611, 10984, 13160, 13730, 19222, 27460, 38444, 48055, 54920, 64531, 76888, 96110, 129062, 192220, 258124, 322655, 384440, 451717, 516248, 645310, 903434, 1290620, 1806868, 2258585, 2581240, 3613736, 4517170, 9034340, 18068680]

約数ペア:

[(1, 18068680), (2, 9034340), (4, 4517170), (5, 3613736), (7, 2581240), (8, 2258585), (10, 1806868), (14, 1290620), (20, 903434), (28, 645310), (35, 516248), (40, 451717), (47, 384440), (56, 322655), (70, 258124), (94, 192220), (140, 129062), (188, 96110), (235, 76888), (280, 64531), (329, 54920), (376, 48055), (470, 38444), (658, 27460), (940, 19222), (1316, 13730), (1373, 13160), (1645, 10984), (1880, 9611), (2632, 6865), (2746, 6580), (3290, 5492)]